Nalluri BN, Sujithkumar S. Characterization and Estimation of Harpagoside in Dried Root Extract and Oral Powder Formulations of Harpagophytum Procumbens by Validated RP-HPLC-PDA Method. J. Drug Delivery Ther. 2019;9(2):38-46. doi:10.22270/jddt.v9i2.2459